Finding the Fourth Proportional to 3,782,850.69, 5,214,235.67 and 2,558,709.79
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Solution
The fourth proportional to 3,782,850.69, 5,214,235.67 and 2,558,709.79 is: 3,526,894.65
Step by Step Solution
- Step 1: Write the proportion equation
3,782,850.69 : 5,214,235.67 = 2,558,709.79 : x - Step 2: Convert to fraction form
3,782,850.69/5,214,235.67 = 2,558,709.79/x - Step 3: Cross multiply
3,782,850.69x = 5,214,235.67 × 2,558,709.79 - Step 4: Simplify right side
3,782,850.69x = 13,341,715,843,402.66 - Step 5: Solve for x
x = 13,341,715,843,402.66/3,782,850.69 - Step 6: Final answer
x = 3,526,894.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.